body{
	width:980px;
	margin:0 auto;
	text-align:center;	
}
ul{	
	margin: 0px;
	padding: 0px;
	list-style:none;
}
#sp_box{
	height:300px;width:980px;
	margin-top:10px;
}
.sp_pics{width:980px;height:300px;overflow:hidden;position:relative;}
.sp_list{width:2940px;float:left;position:absolute;}
.sp_list li{float:left;position:absolute;top:0px;left:980px;}
.sp_cur{}
.sp_a{}
.sp_comm{}
.sp_btn{
	position:relative;
	height:50px;
	width:100%;
	background-color:white;
	top:-50px;
	left:0px;
	opacity:0.5;
}
.sp_pre{
position: absolute;
background: url(pics/pre.png) 0 0 no-repeat;
width: 20px;
height: 20px;
top: 20px;
left: 20px;
}
.sp_next{
position: absolute;
background: url(pics/next.png) 0 0 no-repeat;
width: 20px;
height: 20px;
top: 20px;
right: 20px;		
}
.sp_menu{width:100px;height:20px;margin:0 auto;text-align:center;}
.sp_menu_list,.sp_menu_list_cur{width:10px;height:10px;padding:5px;background:url(pics/menu.png) 0 0 no-repeat;float:left;}
.sp_menu_list_cur{background:url(pics/menu.png) 0 -23px no-repeat;}
.sp_menu_list_a{width:10px;height:10px;display:block;}
